package com.gulimall.order.config;

import com.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
@EnableRabbit
public class MQConfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listening(OrderEntity orderEntity, Channel channel, Message message) throws IOException {
//        System.out.println("收到过期的订单，准备关闭订单。order：" + orderEntity.getOrderSn());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
//    }

//    @Bean
//    public Queue orderDelayQueue() {
//        Map<String, Object> arguments = new HashMap<>();
//
//        arguments.put("x-dead-letter-exchange", "order-event-exchange");
//        arguments.put("x-dead-letter-routing-key", "order.release.order");
//        arguments.put("x-message-ttlw", 60000);
//
//        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);
//
//        return queue;
//    }
//
//    @Bean
//    public Queue orderReleaseOrderQueue() {
//        Queue queue = new Queue("order.release.order.queue", true, false, false);
//        return queue;
//    }
//
//    @Bean
//    public Exchange orderEventExchange() {
//        return new TopicExchange("order-event-exchange", true, false);
//    }
//
//    @Bean
//    public Binding orderCreateOrderBinding() {
//        return new Binding("order.delay.queue",
//                Binding.DestinationType.QUEUE,
//                "rder-event-exchange",
//                "order.create.order",
//                null);
//    }
//
//    @Bean
//    public Binding orderReleaserderBinding() {
//        return new Binding("order.release.order.queue",
//                Binding.DestinationType.QUEUE,
//                "rder-event-exchange",
//                "order.release.order",
//                null);
//    }

    //容器中的组建Queue Exchange Binding 都会自动创建（前提是RabbitMQ没有）
    @Bean
    public Queue orderDelayQueue() {

        // String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");//死信交换机
        arguments.put("x-dead-letter-routing-key", "order.release.order");//死信路由键
        arguments.put("x-message-ttl", 60000);//消息过期时间 ms 1分钟
        return new Queue("order.delay.queue", true, false, false, arguments);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {

        //普通队列
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange() {

        // String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        //普通交换机
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {

        //和延时队列绑定
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {

        //和普通队列绑定
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    @Bean
    public Binding orderReleaseOtherBinding() {

        //订单释放直接和库存释放进行绑定
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    @Bean
    public Queue orderSeckillOrderQueue() {

        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding() {
//        String destination, Binding.DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);

    }
}